14 Dr. C. P. Alexander on African Crane-flies 



l)io\vn seams on the cord broad^ cell 1*^ JlJ^ long ; abdominal 

 tergites reddish with a black ring on segments six and seven. 



Male. — Length (exclusive of head) about 12 ram.; wing 

 13 mm. 



Head lost in the unique type. 



Pronotum pale yellow with a broad median black stripe. 

 IMesonotal prsescutum golden-yelloAv, with a broad black 

 median stripe, at the suture meetirig the black scutal lobes, 

 from which extends laterad a narrow black girdle across 

 the pleura and steruum, completely encircling the body ; 

 median area of the scutum and the base of the scutellum 

 golden-yellow pollinose; remainder of the scutellum black; 

 postnotum with the basal half golden-yellow pollinose, the 

 caudal half deep velvety black. Pleura light yellow, with a 

 narrow transverse black band on the mesopleura and meso- 

 steruum as described above ; sides of the postnotum cephalad 

 of the base of the halteres black ; the region immediately 

 beneath the wing-root dark brown; the large oval space 

 between these transverse black areas, occupying the mesepi- 

 meron and part of the mesosternum, light golden-yellow 

 pollinose. Halteres Avith the extreme base of the stem dark 

 l)rown; stem yellow, the knobs broken. Legs with the 

 coxae and trochanters light reddish yellow; remainder of 

 the legs black, the bases of the fore femora narrowly obscure 

 yellow. Wings pale yellowish subhydline ; cell Sc brown, 

 cell C brown distally, the basal half pale ; stigma oval, hairy, 

 dark brown; a large brown spot at the origin of Us and 

 brown seams along the cord and outer end of cell 1st Mg ; 

 wing-tip narrowly darkened, this including the outer half of 

 cell 2nd Ri and the extreme outer ends of cells li^, R^, 2nd 

 M„, Ms, Cui, and Cu ; distal two-thirds of cell 2nd A greyish : 

 vein Cu distinctly and rather broadly seamed with brown ; 

 the other 'longitudinal veins more narrowly and less 

 distinctly seamed with brown, more distinct on the outer 

 half of the wing ; veins dark brownish black. Venation : 

 Sc long, ending a short distance before the fork of Rs, Sc2 

 at the tip of Sci ; Rs slightly angulated at origin ; r at the 

 extreme tip of Ri and more than twice the length of this tip ; 

 basal deflection of 7?4+5 about two-fifths the length of Rs ; 

 cell Ist M^ long and comparatively narrow, longer than any 

 of the veins issuing from it, its inner end arcuated, lying 

 proximad of r-m ; basal deflection of Cu^ and short distance 

 beyond the fork of M. 



Abdominal tergite one yellow; two reddish with a black 

 ring around the middle ; three and four reddish ; five reddish 

 with a black ring around the middle ; segments six and seven 



